Flip Chip COBs 
1. No gold wire encapsulating technology 
2. Low light decay, 1000hours almost no decay
3. The chips are connected to circuits directly
4. Ra>70, for outdoor lighting is higher than the international standard.
5. Super thin phosphor film technology 
6. Germany import 99.99% pure 1.2mil gold wire is the insurance of high quality
7. 3 years warranty-Longest in the market
8. Lifelong technical support from our service team.


Competitive edge of TongYiFang--Expert of LED COB chips

• 25 experienced R&D expert. Advanced equipment:"ASM","KS",Auto light-division and Color-division machines.
• Obtained ISO9001:2008, RoHS, LM-80, BACL, SAA, TUV, UL certifications.
• COB LEDs expert","Shenzhen High-Tech Enterprise","National High-Tech Enterprise" etc.
• Top 10 in China & Top 3 in Shenzhen.
• Our aim "High quality, zero defect" " Win-Win" 3000k 4000k 5000k 6000k Cob LED Chip 100w